 In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides diminished by twice the product of one of those sides and the projection of the other upon that side.  Elements of Plane and Solid Geometry - Page 188by George Albert Wentworth - 1877 - 398 pagesFull view - About this book
 | Ovid Wallace Eshbach, Byron D. Tapley - Technology & Engineering - 1990 - 2104 pages
...perpendicular to AC. The square of the side opposite an acute angle equals the sum of the squares of the other two sides diminished by twice the product of one of those sides by the orthogonal projection of the other side upon it. In Fig. 2.8, a2 = b~ + c2 - 2b • AE. The... | |
 | 1889 - 1032 pages
...In any triangle the square of the side opposite an acute angle Is equal to the sum of the squares of the other two sides diminished by twice the product of one of sides and tbe projection of the other upon that side. SCHOOL LAW. 1. Name the different grades of certificates... | |
 | William Betz, Harrison Emmett Webb, Percey Franklyn Smith - Geometry, Plane - 1912 - 356 pages
...In any triangle the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides diminished by twice the product...of those sides and the projection of the other upon it. FIG. 1 FIG. 2 Given, in the triangle ABC, that p is the projection of the side b upon the side... | |
 | Military Academy, West Point - 906 pages
...side opposite the obtt« angle Is equal to the sum of the squares of the other two sides, incrt.ie1' by twice the product of one of those sides and the projection of the otto' side upon it. 10 Theorem : Л line parallel to the bases of a trapezoid, passing through ti!... | |
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